Re: duplicate uuid on mount

[James Pearson <james-p@xxxxxxxxxxxxxxxxxx>]

> > We duplicated a fs by using xfsdump and xfsrestore; now we get
> >
> > XFS: Filesystem sdc5 has duplicate UUID - can't mount
> > XFS: Filesystem sdc5 has duplicate UUID - can't mount
> >
> > # xfs_db -r -c "sb 0" -c "p uuid" /dev/sdb5
> > uuid = f921a9a5-ec6a-45a2-a383-7011b4dfffbc
> > # xfs_db -r -c "sb 0" -c "p uuid" /dev/sdc5
> > uuid = f921a9a5-ec6a-45a2-a383-7011b4dfffbc
> >
> > So, how can we make the uuid unique again?
>
> I'm not sure how xfsrestore would get you in this situation as
> it does not restore the UUID, but this should do the trick:
>
> xfs_db -x -c "uuid generate" /dev/sdc5

Easier to use:

xfs_admin -U generate /dev/sdc5

James Pearson